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When installing remote monitor or central controller, displacement on indoor units' project codes must be
(1)
made. Otherwise, there will be collision malfunction of the project codes. For detail operation methods,
please refer to the GMV5 Installation and Maintenance Manual.
(2)
If problem cannot be solved after checking the above items, please contact Gree service center and show
phenomena and models.
Following circumstance are not malfunction.
When unit is started immediately after it is just
Unit doesn't run
turned off
When power is turned on
Mist comes from
Under cooling
the unit
Slight cracking sound is heard when just turned
on
There is consecutive sound when cooling
Noise is emitted
There is sound when unit starts or stops
There is slight and consecutive sound when unit
is running or after running
Cracking sound is heard when unit is operating
and after operating
The unit blows out
When unit runs after no operation for a long
duct
period
The unit emits odor Operating
Indoor unit still
After every indoor unit receive "stop" signal, fan
runs after switch
will keep running
off
Mode conflict
COOL or HEAT mode cannot be operated
"Malfunction"
Overload protection switch makes it run
after 3 minutes delay
Standby operating for about 1 minute
Indoor high humidity air is cooled rapidly
It is noise when electronic expansion valve
initialization
That's sound for gas refrigerant flowing in
unit
That's sound for gas refrigerant stops to
flow
That's sound for operation of drainage
system
That's sound caused by expansion of panel
and other parts due to temperature change
Dust in indoor unit is blew out
The room odor absorbed by the unit is blew
out again
Indoor fan motor will keep running 20-70s
so as to take good use of excess cooling
and heating and prepare for next operation
When the indoor operating mode conflicts
with that of outdoor unit, indoor fault
indicator will flash and conflict will be shown
on the wired controller after 5 minutes.
Indoor unit stops to run and meanwhile
change outdoor operating mode as the
same as that of indoor unit, then the unit will
go back to normal. COOL mode doesn't
conflict with DRY mode. FAN mode doesn't
conflict with any mode.
52
Photovoltaic Multi VRF
Reason
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